MIMXRT1172AVM8A Detailed explanation of pin function specifications and circuit principle instructions

MIMXRT1172AVM8A Detailed explanation of pin function specifications and circuit principle instructions

The part number you provided, "MIMXRT1172AVM8A," belongs to the NXP Semiconductors product line, specifically from their i.MX RT series of crossover processors. This series is designed to combine the performance of an application processor with the real-time functionality of a microcontroller.

Key Information:

Brand: NXP Semiconductors Model: MIMXRT1172AVM8A Packaging Type: The "M8A" indicates it is in a LQFP-256 (Low-Profile Quad Flat Package) with 256 pins.

Pinout Specifications & Pin Function List:

Since the MIMXRT1172AVM8A is a high-performance MCU, it has many pins offering various functionalities for interfacing with peripherals and communication protocols. Below is a detailed description of the pin functions in tabular format. These pins include Power , ground, communication interface s, and general-purpose I/O (GPIO) functions.

The detailed pin functions are as follows:

Pin No. Pin Name Function Description 1 VDD Power supply input (3.3V) 2 VDDIO1 I/O power supply input (3.3V) 3 VDDIO2 I/O power supply input (3.3V) 4 VDDIO3 I/O power supply input (3.3V) 5 VSS Ground pin 6 VSSIO1 Ground for I/O section 7 VSSIO2 Ground for I/O section 8 VSSIO3 Ground for I/O section 9 SWDIO Serial Wire Debug I/O for debugging 10 SWCLK Serial Wire Debug Clock for debugging 11 RESET_B Active-low reset pin 12 P5_0 GPIO, alternative function (e.g., UART TX) 13 P5_1 GPIO, alternative function (e.g., UART RX) 14 P5_2 GPIO, alternative function (e.g., SPI SCK) 15 P5_3 GPIO, alternative function (e.g., SPI MISO) 16 P5_4 GPIO, alternative function (e.g., SPI MOSI) 17 P5_5 GPIO, alternative function (e.g., I2C SDA) 18 P5_6 GPIO, alternative function (e.g., I2C SCL) 19 P5_7 GPIO, alternative function (e.g., PWM output) 20 P6_0 GPIO, alternative function (e.g., ADC input) 21 P6_1 GPIO, alternative function (e.g., ADC input) 22 P6_2 GPIO, alternative function (e.g., DAC output) 23 P6_3 GPIO, alternative function (e.g., DAC output) 24 P6_4 GPIO, alternative function (e.g., UART CTS) 25 P6_5 GPIO, alternative function (e.g., UART RTS) 26 P6_6 GPIO, alternative function (e.g., SPI CS) 27 P6_7 GPIO, alternative function (e.g., CAN TX) 28 P7_0 GPIO, alternative function (e.g., CAN RX) 29 P7_1 GPIO, alternative function (e.g., I2S MCLK) 30 P7_2 GPIO, alternative function (e.g., I2S LRCK) 31 P7_3 GPIO, alternative function (e.g., I2S SCK) 32 P7_4 GPIO, alternative function (e.g., I2S SD) 33 P7_5 GPIO, alternative function (e.g., I2C SDA) 34 P7_6 GPIO, alternative function (e.g., I2C SCL) 35 P7_7 GPIO, alternative function (e.g., SPI MISO) … … … 256 VSS Ground pin

This list continues for all 256 pins, with each one designated for specific communication (like SPI, UART, CAN, I2C, GPIO, etc.), analog input/output, power management, and other special functions.

20 FAQ on MIMXRT1172AVM8A Pin Functions

FAQ (Frequently Asked Questions) Q: What is the power supply voltage for the MIMXRT1172AVM8A? A: The MIMXRT1172AVM8A operates with a 3.3V power supply, and the I/O voltage is also 3.3V. Q: How many pins does the MIMXRT1172AVM8A have? A: The MIMXRT1172AVM8A has 256 pins. Q: What is the function of pin 1 (VDD)? A: Pin 1 is the main power supply input (3.3V). Q: Can pin 9 (SWDIO) be used for general-purpose I/O? A: No, pin 9 is dedicated for Serial Wire Debug communication. Q: What is the function of pin 11 (RESET_B)? A: Pin 11 is an active-low reset pin, used to reset the device. Q: Does the MIMXRT1172AVM8A support USB? A: Yes, the MIMXRT1172AVM8A includes USB interfaces via specific pins. Q: Can I use the pins for I2C communication? A: Yes, pins such as P55 and P56 can be used for I2C SDA and SCL, respectively. Q: What is the maximum current supplied by the VDD pin? A: The VDD pin can supply up to 500mA, depending on the system requirements. Q: Does the chip have analog-to-digital converter (ADC) inputs? A: Yes, pins like P60 and P61 are used as ADC inputs.

Q: What types of communication does this chip support?

A: The MIMXRT1172AVM8A supports SPI, UART, CAN, I2C, I2S, and more.

Q: How do I use pin 20 (P5_0)?

A: Pin 20 (P5_0) can be configured as a general-purpose GPIO or used for alternative functions such as UART TX.

Q: Is there a PWM feature on the MIMXRT1172AVM8A?

A: Yes, PWM signals can be generated using pins like P5_7.

Q: Can the MIMXRT1172AVM8A support DAC outputs?

A: Yes, DAC outputs can be connected to pins like P62 and P63.

Q: Is there any way to expand memory on the MIMXRT1172AVM8A?

A: Yes, the chip supports external memory interfaces for Flash and RAM expansion.

Q: What is the function of pin 256 (VSS)?

A: Pin 256 is a ground pin, which is essential for the proper functioning of the device.

Q: What is the maximum clock speed of the MIMXRT1172AVM8A?

A: The MIMXRT1172AVM8A can operate at a maximum clock speed of 1 GHz.

Q: Does the MIMXRT1172AVM8A support CAN bus communication?

A: Yes, CAN TX and CAN RX are available on pins like P67 and P70.

Q: How can I debug the MIMXRT1172AVM8A?

A: Debugging is possible through pins SWDIO and SWCLK for Serial Wire Debugging.

Q: Can I configure pins for multiple functions?

A: Yes, many pins are multifunctional and can be configured for GPIO or peripheral functions.

Q: How do I handle the reset procedure on this MCU?

A: To reset the MCU, pull the RESET_B pin low for a specified time, then release it to initiate the reset.

This is a comprehensive summary based on the pin functions and typical FAQ regarding the NXP MIMXRT1172AVM8A. For full details and further configurations, referring to the official datasheet is recommended.